HTTP ERROR 400 Ambiguous URI path encoding

URI:/badURI
STATUS:400
MESSAGE:Ambiguous URI path encoding
CAUSED BY:org.eclipse.jetty.http.BadMessageException: 400: Ambiguous URI path encoding

Caused by:

org.eclipse.jetty.http.BadMessageException: 400: Ambiguous URI path encoding
	at org.eclipse.jetty.server.internal.HttpConnection$HttpStreamOverHTTP1.headerComplete(HttpConnection.java:1186)
	at org.eclipse.jetty.server.internal.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:952)
	at org.eclipse.jetty.http.HttpParser.parseFields(HttpParser.java:1249)
	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:1545)
	at org.eclipse.jetty.server.internal.HttpConnection.parseRequestBuffer(HttpConnection.java:567)
	at org.eclipse.jetty.server.internal.HttpConnection.onFillable(HttpConnection.java:390)
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:322)
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:99)
	at org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.runTask(AdaptiveExecutionStrategy.java:478)
	at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.consumeTask(AdaptiveExecutionStrategy.java:441)
	at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.tryProduce(AdaptiveExecutionStrategy.java:293)
	at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.run(AdaptiveExecutionStrategy.java:201)
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:410)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:971)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1201)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1156)
	at java.base/java.lang.Thread.run(Thread.java:1570)